Reverting this to see if the Flash crashes on Mac canary are due to this CL.

webkit/plugins/npapi/webplugin.h

Index: webkit/plugins/npapi/webplugin.h
===================================================================
--- webkit/plugins/npapi/webplugin.h	(revision 89220)
+++ webkit/plugins/npapi/webplugin.h	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -93,12 +93,10 @@
   virtual void Invalidate() = 0;
   virtual void InvalidateRect(const gfx::Rect& rect) = 0;
 
-  // Returns the NPObject for the browser's window object. Does not
-  // take a reference.
+  // Returns the NPObject for the browser's window object.
   virtual NPObject* GetWindowScriptNPObject() = 0;
 
-  // Returns the DOM element that loaded the plugin. Does not take a
-  // reference.
+  // Returns the DOM element that loaded the plugin.
   virtual NPObject* GetPluginElement() = 0;
 
   // Cookies